[ Safe Material ] - The flute cups are made of Ps material instead of glass, which be stronger and more . The safety approval plastic material means there are no adverse effects on human health. Safe for drinking. [ Liquid Activated ] - Two tiny pins on the bottom to activate the LED, LED lights up when liquid is poured into the cup, lights off once the cup is empty. A pretty effect as the colored light reflects off the sparkly crystals embedded in the bottom of the glass, then shines through the liquid in the glass. [ 5 Different Colors + 1 Colorful ] - Set comes with 6 plastic toasting glasses all with their own color LED light. Include: Pink, Yellow, Red, Green, Blue and Colorful. The led's life can last for 24 hours in total with CR1220 button batteries (batteries not replaceable). It can also be a normal Champagne glass. [ Eye-Catching ] - A nifty novelty item for parties and any kind of get-together, a huge access to be a hit at a party. In a lighted room, it draw attention, but in dim light, it is a real eye-catcher, especially in the multi-color mode, really pretty and added a fun . Perfect for drink competition, see who is the first to finish the drink and turn off the LED. [ ] - Champagne glasses make for an awesome ! Colorful LED Cups create a festive mood and a decorative way to champagne or wine, Perfect for club decorations, Halloween decorations, house decoration uses, bar birthday decorations, parties decorations, characteristics, wedding party and so on. Capacity: 201-300ml Colour:As Shown Material:Ps Package Contents: 6 x wine glasses Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.